Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model (including, but not limited to: concrete models, illustrations, tape diagram, number line, area model, etc.).
Number and Operations—Fractions
- Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers
Understand a fraction a/b with a > 1 as a sum of fractions 1/b.